Journal
IONICS
Volume 23, Issue 8, Pages 2161-2166Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11581-017-2041-x
Keywords
Oxygen evolution; Water oxidation; Carbon; Noble metals; Nickel oxide
Funding
- Natural Science Foundation of Guangdong Province [2014A030313521]
- Scientific Research Foundation for Yangcheng Scholar [1201561607]
- Science and Technology Program of Guangzhou [201510010112]
- National Natural Science Foundations of China [U1401246]
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Carbon black is used as conducting support for NiO nanoparticles, and noble metal particles are well dispersed on NiO/C with an average diameter of 4-8 nm. Benefiting synergistic effect, NiO/C by adding noble metal exhibits superior electrochemical activity and excellent stability for oxygen evolution reaction in water splitting. A catalyst with a weight ratio of Au to NiO of 1:2 gives the best performance. Onset potential on the Au-NiO(wt 1:2)/C electrode shifts more negatively than that on Pt-NiO(wt 1:2)/C and Pd-NiO(wt 1:2)/C, and onset potential on the Au-NiO(wt 1:2)/C electrode is lower than that on the other electrodes.
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